Hello,
plz try to solve this question.
Thanks.Question:
Given a normal distribution with μ=40 and σ = 6 , find
(a) the area below 32
(b) the area above 27
(c) the area between 42 and 51
(d) the x value that has 45% of the area below it
(e) the x value that has 13% of the area above it

Jun 1st 2007, 07:15 AM

ThePerfectHacker

Quote:

Originally Posted by m777

Given a normal distribution with μ=40 and σ = 6 , find
(a) the area below 32

Find the z-score,
The corresponding value is .408 on the table.
Thus, .
But then,
Thus,

Quote:

(b) the area above 27

Find the corresponding z-score:
The corresponding value is .484
Thus,
But then,